Patents-Review.com
ClassID:

85525 ⎘

C01D5/02 - CPC Classification

Classification description:

Sulfates or sulfites of sodium, potassium or alkali metals in general Preparation of sulfates from alkali metal salts and sulfuric acid or bisulfates; Preparation of bisulfates

Recent Application in this class:
#1
20250177944
2025-06-05

METHODS FOR THE PRODUCTION OF SULFATE SALTS AND FURNACE SUITABLE FOR USE IN THESE METHODS

 #2
20240317604
2024-09-26

PROCESS FOR PRODUCING HIGH PURITY NICKEL SULFATE

 #3
20240120567
2024-04-11

ELECTROCHEMICAL PRODUCTION OF ALKALI METAL HYDROXIDES AND SULFURIC ACID FROM BATTERY MANUFACTURING AND RECYCLING OUTLET STREAMS

 #4
20240091702
2024-03-21

CHEMICAL SEQUESTERING OF CO2, NOx and SO2

 #5
20230052881
2023-02-16

SODIUM SULFATE BY-PRODUCT PROCESSING IN LITHIUM AND BATTERY CHEMICAL PRODUCTION

 #6
20220274049
2022-09-01

Chemical sequestering of CO, NOand SO

 #7
20220081308
2022-03-17

Process for producing potassium sulphate

 #8
20210222270
2021-07-22

PROCESS FOR RECOVERING LITHIUM PHOSPHATE AND LITHIUM SULFATE FROM LITHIUM-BEARING SILICATES

 #9
20210009514
2021-01-14

Preparation method for 4-phenylthio-benzenethiol

 #10
20200269185
2020-08-27

Chemical sequestering of CO2, NOx and SO2

 #11
20200263277
2020-08-20

Mineral Recovery Process

 #12
20200071166
2020-03-05

METHOD FOR PREPARING HIGH-PURITY CHLORINE DIOXIDE BY USING METHANOL AND HYDROGEN PEROXIDE AS REDUCING AGENT

 #13
20190153563
2019-05-23

Method for recovering lithium from low-context extraction tailwater and recycling extraction tailwater

 #14
20180346383
2018-12-06

Flash calcined gypsum wallboard

 #15
20180339949
2018-11-29

Potassium magnesium fertilizer

 #16
20180305216
2018-10-25

WATER SOLVATED GLASS/AMORPHOUS SOLID IONIC CONDUCTORS

 #17
20180222758
2018-08-09

Process for the recovery of sodium sulfate

 #18
20180127280
2018-05-10

WATER SOLVATED GLASS/AMORPHOUS SOLID IONIC CONDUCTORS

 #19
20170320749
2017-11-09

Method for the processing of potassium containing materials

 #20
20170306442
2017-10-26

Hydrometallurgical process for the recovery of copper, lead or zinc

 #21
20160368777
2016-12-22

Water solvated glass/amorphous solid ionic conductors

 #22
20160304987
2016-10-20

Processes for preparing alumina and various other products

 #23
20160184794
2016-06-30

Apparatus for manufacturing potassium compound and method of recovering potassium compound from brine

 #24
20150275330
2015-10-01

Processes for treating red mud

 #25
20140369907
2014-12-18

Processes for treating red mud

 #26
20140369904
2014-12-18

Processes for preparing alumina and various other products

 #27
20100111819
2010-05-06

Chemical process to produce hydrogen chloride and chloride-free compound potassium sulfate fertilizers or other metal sulfates

 #28
20080199384
2008-08-21

Process For Producing Silica, Sodium Sulfite and Sodium Hydrogen Sulfite With Sodium Sulfate

 #29
20080053104
2008-03-06

Manufacture of water chemistries

 #30
20060225341
2006-10-12

Production of biodiesel

 #31
20060104892
2006-05-18

High yield co-production of anhydrous hydrogen bromide and sodium bisulfate

 #32
20060104891
2006-05-18

High yield co-production of anhydrous hydrogen bromide and sodium bisulfate

 #33
20050147554
2005-07-07

System and method of wet oxidation of a viscose process stream

 #34
20050135990
2005-06-23

Conversion of sodium bromide to anhydrous hydrobromic acid and sodium bisulfate

 #35
20050089469
2005-04-28

Process for the brightening of sodium hydrogensulfate